K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

K&N 33-2057 Air Filter Product Reviews

This is my 4th or 5th KN Filter and 2nd Cold air performance system using on several vehicles. I am very happy every time Currently using 33-2057 on my 1996 Impala SS. Nicely boost in power, and gas mileage is flawless, seeing near 30 mpg highway and 17-18 city on a high performance lt1 350 and a 4200 lbs car. I'm a KN customer for life... Thanks